The request names "agent-notary", which does not appear as a product in the sources. Other sources cover agent action receipts or general services rather than notarization.
- 1
KHOTEMkhotem.comverified and signed
Cryptographic timestamp and notary API for AI agents, offering a witnessed stamp of a content hash via POST /api/seal and an MCP server 1.
official:MCP server · KHOTEM
for agents: Agent verifier (anti agent-washing) · Witnessed stamp of hash/content · Quantum circuit simulation (exact statevector)
- 2
ForgeMesh Labs Notaryforgemesh.ioverified and signed
Live paid services for AI agents: notarization, anomaly detection, disruption intel, travel, voice, market signals, image generation. Pay per call from $0.001 o 2
+2 community tools built for it
for agents: Notarize inference · Notarize batch · AI Inference Notary
- 3
Headless Oracle Chirindo Witnessheadlessoracle.comverified and signed
Signs agent actions into a hash-chained, tamper-evident log and issues witness receipts for checkpoints so auditors can verify logs 3.
for agents: Verify Receipt Signature · Verify Receipt Signature · Get Sandbox Key
- 4
agentsvc.io IOTA Notarizationhashicorp.comverified and signed
Proof of existence on the IOTA mainnet: send text, a SHA-256 hash or a URL and receive a tamper-proof timestamp 6.
official:MCP server · @hashicorp/design-system-mcplibrary · HashiCorp - Setup TerraformCLI · serfrepository · vault-examplesskill · terraform-style-guide+2 community tools built for it
for agents: hashicorp/setup-signore · hashicorp/hcp-auth-action · hashicorp/vault-action
Sources
- 1KHOTEM — Cryptographic Timestamp & Notary API for AI Agents (x402 seals, receipts, hash anchoring)khotem.com · read 2026-10-29
- 2ForgeMesh Labs — Paid APIs for AI Agents · x402 & MPPforgemesh.io · read 2026-10-29
- 3Tamper-evident agent action logs with signed receipts · Chirindo Witness · Headless Oracleheadlessoracle.com · read 2026-10-29
- 6agentsvc.io: 127 web services your AI agent can buy per callagentsvc.io · read 2026-10-29
- 7terraform-style-guide — hashicorp/agent-skillsskills.sh · read 2026-10-29
For agents: the 10 actions behind this answer
Agent verifier (anti agent-washing) · KHOTEM verified and signed
POST /api/agent-verify {"repo":"owner/name"} — is it a real agent or a renamed chatbot: 6 agent-washing signals + tests + CI + secret-leak scan over the public GitHub tree; sealed verdict.
Notarize inference · x402 Notary verified and signed
Notarize one AI inference — returns signed attestation, content hash, receipt token, anchor status ($0.001 per call, x402) e.g. POST https://notary.forgemesh.io/api/notarize
Verify Receipt Signature · Headless Oracle verified and signed
Verifies the Ed25519 signature on a market-state receipt — confirms genuine pre-trade verification attestation, receipt authenticity, and signature validity. REST endpoint for test harnesses and SDK authors; agents SHOULD prefer offline verification with the published public key.
Notary_PostNotary · DocuSign REST API verified and signed
Registers the current user as a notary.
typespec-create-api-plugin · typespec-create-api-plugin verified and signed
Generate a TypeSpec API plugin with REST operations, authentication, and Adaptive Cards for Microsoft 365 Copilot
IOTA Notarization Verify · agentsvc.io verified and signed
Verify an IOTA notarization: give the object id or transaction digest of any notarization on the IOTA mainnet (ours or anyone's, official IOTA Notarization package) and optionally the text, SHA-256 or URL to check. Returns the stored hash or data, creation time from the ledger, lock status (can it b
hashicorp/setup-signore · setup-signore verified and signed
setup-signore downloads, installs, and configures the signore signing service client
verify_agent_action · EthersFlow MCP Server found in code, not yet checked
Gate and verify autonomous AI agent action decisions (e.g. trades, emails, claims, API calls, wallet transfers) via EthersFlow Multi-Model Federated Adversarial Consensus before execution.
Issue Agent Passport · Hive Civilization verified and signed
Issues a sovereign agent passport (DID + verifier key) before any action.
api · Twilio verified and signed
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.